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参数资料
| 型号： | TC7126ACPL |
| 元件分类： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40 |
| 封装： | PLASTIC, DIP-40 |
| 文件页数： | 25/26页 |
| 文件大小： | 413K |
| 代理商： | TC7126ACPL |
TC7126/A
DS21458C-page 8
2006 Microchip Technology Inc.
34
(7)
CREF+A 0.1μF capacitor is used in most applications. If a large Common mode voltage
exists (for example, the VIN- pin is not at analog common) and a 200mV scale is
used, a 1
μF capacitor is recommended and will hold the rollover error to 0.5 count.
35
(6)
VREF-
See Pin 36.
36
(5)
VREF+
The analog input required to generate a full scale output (1999 counts). Place 100mV
between Pins 35 and 36 for 199.9mV full scale. Place 1V between Pins 35 and 36 for
2V full scale. See Section 6.6 “Reference Voltage Selection”, Reference Voltage
for additional information.
37
(4)
TEST
Lamp test. When pulled HIGH (to V+), all segments will be turned on and the display
should read -1888. It may also be used as a negative supply for externally
generated decimal points. See Section 7.4 “TEST (Pin 37)”, TEST for additional
information.
38
(3)
OSC3
See Pin 40.
39
(2)
OSC2
See Pin 40.
40
(1)
OSC1
Pins 40, 39 and 38 make up the oscillator section. For a 48kHz clock (3 readings,
39 per second), connect Pin 40 to the junction of a 180k
Ω resistor and a 50pF
capacitor. The 180k
Ω resistor is tied to Pin 39 and the 50pF capacitor is tied to
Pin 38.
TABLE 2-1:
PIN FUNCTION TABLE (CONTINUED)
Pin Number
(40-Pin PDIP)
Normal
(Reversed)
Symbol
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7126AIPL | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS |
| TC7126ARCPL | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7126ARIPL | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-1/2 Digit Analog-to-Digital Converters |
| TC7126CKW | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7126CKW713 | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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